| 发明名称 |
METHOD OF PROVIDING A SECURITY DOCUMENT WITH A SECURITY FEATURE, AND SECURITY DOCUMENT |
| 摘要 |
A security document (1) comprises a paper document substrate (11) and a security element (2) embedded in said document substrate (11). The security element comprises an element substrate (21) and a material (22) sensitive to laser light. The method comprises the step of directing laser light (41) onto the document substrate (11) so as to alter said material (22), so as to provide said security element (2) with a detectable marking (3). |
| 申请公布号 |
US2016108581(A1) |
申请公布日期 |
2016.04.21 |
| 申请号 |
US201414888663 |
申请日期 |
2014.05.07 |
| 申请人 |
FÁBRICA NACIONAL DE MONEDA Y TIMBRE - REAL CASE DE LA MONEDA |
发明人 |
OLMOS Antonio;LAZZERINI Maurizio;GARCIA JUEZ Vincente |
| 分类号 |
D21H21/48;B41M5/24;B42D25/435;B42D25/36;B42D25/41 |
主分类号 |
D21H21/48 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. Method of providing a security document with a security feature, said security document comprising a document substrate, said document substrate being a paper substrate, said security document further comprising a security element embedded in said document substrate, said security element comprising an element substrate, said security element further comprising a material sensitive to laser light,
wherein the method further includes the step of directing laser light onto the document substrate so as to alter said material, so as to provide said security element with a detectable marking. |
| 地址 |
Madrid ES |
